With a heavily armed sniper and police officers launching tear gas into a room, these dramatic pictures show the conclusion to a tense 10-hour hostage stand-off.

Police officers were called to the Super 8 motel in Wyoming, Canada, at about 6am yesterday because of concerns a number of different people were going in and out of a room.

Once officers arrived, they were told that hostages were being held in the room and that their captor was armed.

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Tense: These dramatic pictures show the conclusion to a 10-hour hostage situation at the Super 8 motel in Wyoming, Canada. A police officer is pictured preparing to launch a tear gas canister into a third-floor window

Attack: Tear gas rises from a third-floor window after the canister was fired into the room . A total of five people were believed to have been held hostage inside the room

Police then began negotiations with a man to release four men and one female being held in the room.

According to the Casper Star-Tribune, just before 9am, one woman was let out of the hotel in handcuffs with a man following a short time later.

Both were believed to be hostages.By 10am, a third person was let out of the building with another released later in the day.